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Simplifying 2z(5z + 10) = 10z2 + 20z + -6 Reorder the terms: 2z(10 + 5z) = 10z2 + 20z + -6 (10 * 2z + 5z * 2z) = 10z2 + 20z + -6 (20z + 10z2) = 10z2 + 20z + -6 Reorder the terms: 20z + 10z2 = -6 + 20z + 10z2 Add '-20z' to each side of the equation. 20z + -20z + 10z2 = -6 + 20z + -20z + 10z2 Combine like terms: 20z + -20z = 0 0 + 10z2 = -6 + 20z + -20z + 10z2 10z2 = -6 + 20z + -20z + 10z2 Combine like terms: 20z + -20z = 0 10z2 = -6 + 0 + 10z2 10z2 = -6 + 10z2 Add '-10z2' to each side of the equation. 10z2 + -10z2 = -6 + 10z2 + -10z2 Combine like terms: 10z2 + -10z2 = 0 0 = -6 + 10z2 + -10z2 Combine like terms: 10z2 + -10z2 = 0 0 = -6 + 0 0 = -6 Solving 0 = -6 Couldn't find a variable to solve for. This equation is invalid, the left and right sides are not equal, therefore there is no solution.
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